2/3 because you flip 3 coins and you want to get al least 2 heads!
Ok.
Convert 3/4 to 6/8.

There is your answer. 3/8.
Answer:
a > -2
Step-by-step explanation:
-12a +7<31
Subtract 7 from each side
-12a +7-7<31-7
-12a <24
Divide by -12, remembering to flip the inequality
-12a/-12 >24/-12
a > -2